Home / 2,173.64-3,260.25-1,019.39

Finding the Fourth Proportional to 2,173.64, 3,260.25 and 1,019.39

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Solution

The fourth proportional to 2,173.64, 3,260.25 and 1,019.39 is: 1,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.64 : 3,260.25 = 1,019.39 : x
  2. Step 2: Convert to fraction form
    2,173.64/3,260.25 = 1,019.39/x
  3. Step 3: Cross multiply
    2,173.64x = 3,260.25 × 1,019.39
  4. Step 4: Simplify right side
    2,173.64x = 3,323,449.95
  5. Step 5: Solve for x
    x = 3,323,449.95/2,173.64
  6. Step 6: Final answer
    x = 1,528.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.